package com.example.wjy.util;

import java.util.Random;

public class CreateId {
    public CreateId() {

    }

    public static String createRandomId() {
        String s1 = String.valueOf(System.currentTimeMillis());
        Random random = new Random();
        int n = random.nextInt(10000);
        return s1 + n;
    }
}
